Search

CN-224198323-U - Connection sealing structure

CN224198323UCN 224198323 UCN224198323 UCN 224198323UCN-224198323-U

Abstract

The utility model discloses a connecting sealing structure which comprises a container, an annular sealing ring and an end cover, wherein the upper end of the container is provided with an annular groove, the annular groove surrounds an upper port of the container, the annular sealing ring is arranged on the annular groove, the end cover is positioned above the container, the outer side of the end cover extends downwards to form a plurality of tooth parts, the tooth parts are distributed along the circumferential direction of the end cover, when the end cover plugs the upper port of the container downwards, the lower end face of the end cover abuts against and presses the annular sealing ring, and the tooth parts are pressed and attached to the peripheral wall of the container so that the end cover and the container are mutually fixed. The plurality of teeth can enhance the connection stability of the container and the end cover, and the container and the end cover can still be kept relatively fixed when a few teeth are loosened, and the annular sealing ring is in a compressed state, so that the annular sealing ring is expanded after a gap is generated between the container and the end cover due to the loosening of the teeth, thereby realizing dynamic sealing, ensuring the connection stability between the container and the end cover and being difficult to vibrate relatively.

Inventors

  • QU YONGJIAN
  • LIU JIANHANG
  • Wu wuquan
  • YE XIAOSONG

Assignees

  • 广东恒美电热科技股份有限公司

Dates

Publication Date
20260505
Application Date
20250519

Claims (10)

  1. 1. A connection seal structure, comprising: The container (100), the upper end of the container (100) is provided with an annular groove (110), and the annular groove (110) surrounds the upper port (120) of the container (100); An annular seal ring (130) arranged in the annular groove (110); The end cover (200) is positioned above the container (100), the outer side of the end cover (200) extends downwards to form a plurality of tooth parts (210), and the tooth parts (210) are distributed along the circumferential direction of the end cover (200); When the end cover (200) plugs the upper port (120) of the container (100) downwards, the lower end face of the end cover (200) abuts against and presses the annular sealing ring (130), and the tooth parts (210) are pressed and attached to the peripheral wall of the container (100) so that the end cover (200) and the container (100) are mutually fixed.
  2. 2. The connection sealing structure according to claim 1, wherein the outer side of the end cap (200) extends downward to form a first annular plate (220), a lower end surface of the first annular plate (220) is provided with a plurality of teeth portions (210), and a side of the first annular plate (220) close to the axis of the end cap (200) is attached to the outer peripheral wall of the container (100).
  3. 3. The connection seal structure according to claim 2, wherein the annular groove (110) extends through the outer peripheral wall of the container (100) in a direction away from the axis of the container (100), and the side of the first annular plate (220) near the axis of the container (100) engages and presses against the outer peripheral wall of the annular seal ring (130).
  4. 4. The connection sealing structure according to claim 1, wherein when the lower end surface of the end cap (200) is attached to the upper end surface of the container (100), the upper end surface of the ring seal (130) is pressed into the annular groove (110) by the end cap (200), and the ring seal (130) applies an upward force to the end cap (200).
  5. 5. The connection sealing structure according to claim 2, wherein the upper end surface of the end cap (200) is recessed downward such that the lower end surface of the end cap (200) protrudes downward to form a first groove (230), the groove wall of the first groove (230) constitutes a second annular plate (240), and a side of the second annular plate (240) away from the axis of the end cap (200) is attached to the inner peripheral wall of the container (100).
  6. 6. The connection seal structure according to claim 5, wherein the annular groove (110) penetrates the inner peripheral wall of the container (100) toward a direction approaching the axis of the container (100), and the side of the second annular plate (240) away from the axis of the container (100) engages and presses the inner peripheral wall of the annular seal ring (130).
  7. 7. The connection sealing structure according to claim 2, wherein the outer peripheral wall of the container (100) has a first wall (141) and a second wall (142), the lower end of the first wall (141) is connected to the upper end of the second wall (142), the first wall (141) extends in a vertical direction, the second wall (142) is inclined from top to bottom in a direction approaching the axis of the container (100), and the tooth portion (210) is abutted against the second wall (142).
  8. 8. The connection seal according to claim 7, wherein a side of the first annular plate (220) adjacent to the axis of the end cap (200) is attached to the first wall (141).
  9. 9. A connection seal according to claim 3, wherein the annular sealing ring (130) is compressed and continues to exert a force on the first annular plate (220).
  10. 10. The connection seal according to claim 6, wherein the annular seal ring (130) is pressurized and continues to exert a force on the second annular plate (240).

Description

Connection sealing structure Technical Field The utility model relates to the technical field of sealing structures, in particular to a connecting sealing structure. Background The container port needs to ensure tightness when the end cover is installed, and the sealing surface is tightly attached only through mechanical pretightening force to form static seal. However, under long-term working conditions, pressure fluctuation in the sealing cavity is easy to cause deformation of the contact surface, so that the sealing is invalid. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model provides a connecting sealing structure. The embodiment of the utility model provides a connecting sealing structure, which comprises the following components: The upper end of the container is provided with an annular groove, and the annular groove surrounds the upper port of the container; the annular sealing ring is arranged in the annular groove; The end cover is positioned above the container, the outer side of the end cover extends downwards to form a plurality of tooth parts, and the tooth parts are distributed along the circumferential direction of the end cover; When the end cover plugs the upper port of the container downwards, the lower end face of the end cover is abutted against and tightly presses the annular sealing ring, and the tooth parts are tightly attached to the peripheral wall of the container so that the end cover and the container are mutually fixed. According to some embodiments of the utility model, the outer side of the end cover extends downwards to form a first annular plate, the lower end face of the first annular plate is provided with a plurality of teeth parts, and one side of the first annular plate, which is close to the axis of the end cover, is attached to the peripheral wall of the container. According to some embodiments of the utility model, the annular groove extends through the peripheral wall of the container in a direction away from the container axis, and the side of the first annular plate adjacent to the container axis engages and presses against the peripheral wall of the annular seal ring. According to some embodiments of the utility model, when the lower end surface of the end cover is attached to the upper end surface of the container, the upper end surface of the annular sealing ring is pressed into the annular groove by the end cover, and the annular sealing ring applies upward force to the end cover. According to some embodiments of the utility model, the upper end surface of the end cover is recessed downwards, so that the lower end surface of the end cover is raised downwards to form a first groove, the groove wall of the first groove forms a second annular plate, and one side of the second annular plate away from the axis of the end cover is attached to the inner peripheral wall of the container. According to some embodiments of the utility model, the annular groove penetrates the inner peripheral wall of the container in a direction approaching the container axis, and the side of the second annular plate away from the container axis is bonded to and pressed against the inner peripheral wall of the annular seal ring. According to some embodiments of the utility model, the outer peripheral wall of the container has a first wall and a second wall, the lower end of the first wall being connected to the upper end of the second wall, the first wall extending in a vertical direction, the second wall being inclined from top to bottom in a direction approaching the axis of the container, the teeth being in abutment with the second wall. According to some embodiments of the utility model, a side of the first annular plate adjacent to the end cap axis is attached to the first wall. According to some embodiments of the utility model, the annular seal ring is compressed and continues to exert a force on the first annular plate. According to some embodiments of the utility model, the annular seal ring is compressed and continues to exert a force on the second annular plate. The connecting and sealing structure provided by the embodiment of the utility model has at least the following technical effects: 1. When the end cover is used for plugging the upper port of the container, the annular sealing ring is tightly pressed, the tooth parts are tightly pressed on the peripheral wall of the container, so that the end cover is fixedly connected with the container, the connection stability of the container and the end cover can be enhanced through the tooth parts, and the container and the end cover can still be kept relatively fixed when a small number of tooth parts are loosened. 2. Because the annular sealing ring is in the compressed state, after the tooth part loosens to cause the gap to be generated between the container and the end cover, the annular sealing ring is ex